Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
cao hoi » cau hoi, co hoi, cao hoc
hieu va » lieu va, hieu qua
va dauh » va danh, va doanh
va tinh » may tinh
vai cua » dai cua, hai cua, lai cua
va cam » va cham, va cac, va cao
va dau » va dao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ly nang cao hoi. hieu va cam xuc ((((va dauh) or (va tinh))) or (va dau)) vai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang cao hoi. hieu va cam xuc ((((va dauh) OR (va tinh))) OR (va dau)) vai cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach ly nang cao hoi. hieu va cam xuc ((((va dauh) or (va tinh))) or (va dau)) vai cua viet*.